在下列关节脱位类型中，复位及保持较为困难的是
A．肩关节脱位B．肘关节脱位C．腕关节脱位D．掌指关节脱位E．指间关节脱位
参考答案：D
下列各项，不属缺铁性贫血中医证型的是
A．脾胃虚弱
B．心脾两虚
C．肝肾阴虚
D．脾肾阳虚
E．虫积
Burns are called first，second or third degree burns， which layers of the skin are burned.
A．depending on
B．depended on
C．depend on
D．to depend on
